参数资料
型号: MCP4662T-502E/MF
厂商: Microchip Technology
文件页数: 36/92页
文件大小: 0K
描述: IC DGTL POT 5K 256TAPS 10-DFN
标准包装: 1
接片: 257
电阻(欧姆): 5k
电路数: 2
温度系数: 标准值 150 ppm/°C
存储器类型: 非易失
接口: I²C(设备位址)
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-VFDFN 裸露焊盘
供应商设备封装: 10-DFN-EP(3x3)
包装: 标准包装
产品目录页面: 677 (CN2011-ZH PDF)
其它名称: MCP4662T-502E/MFDKR
2008 Microchip Technology Inc.
DS22107A-page 41
MCP454X/456X/464X/466X
4.2.2.2
Terminal Control (TCON) Register
This register contains 8 control bits. Four bits are for
Wiper 0, and four bits are for Wiper 1. Register 4-2
describes each bit of the TCON register.
The state of each resistor network terminal connection
is individually controlled. That is, each terminal
connection (A, B and W) can be individually connected/
disconnected from the resistor network. This allows the
system to minimize the currents through the digital
potentiometer.
The value that is written to this register will appear on
the
resistor
network
terminals
when
the
serial
command has completed.
When the WL1 bit is enabled, writes to the TCON
register bits R1HW, R1A, R1W, and R1B are inhibited.
When the WL0 bit is enabled, writes to the TCON
register bits R0HW, R0A, R0W, and R0B are inhibited.
On a POR/BOR this register is loaded with 1FFh
(9-bits),
for
all
terminals
connected.
The
Host
Controller needs to detect the POR/BOR event and
then update the Volatile TCON register value.
Additionally, there is a bit which enables the operation
of General Call commands.
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